With the invention of the printing press and - as a consequence - the distribution of information in masses (by then already mostly in the shape of propaganda), propaganda could change its methods. It could not only be produced but also reproduced and therefore spread widely.
The Protestant Reformation profited by this. The idea of translating the Bible into local languages was successful, because it got possible for many people to get a Bible, as books no longer were affordable only for the nobles and the Church.
Royalty and the Courts realized that prestige asked for propaganda and that it was impossible to reign over the people if their mood turned against the king. This gave the impetus for acting. Pamphlets were used for spreading royal messages; like the so-called "mazarinades" (
When - in
From that time on propaganda and manipulation were carried out for the most different political ideas and nearly without frontiers. Censorship - a part of disinformation - seems to have been the only barrier then. Sometimes even the source of a message kept hidden, which was part of the disinformation process. It is easier to spread ideas against somebody if the own name is kept hidden; and speaking out some kind of laudation that the own party is better without mentioning that it was oneself who spread it and therefore claim that it was someone else who praised the very idea.
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The Romans can be called the great inventors of myths with the purpose of propaganda. Think of
Or Augustus: he reunited the Roman Empire; part of his power was due to huge efforts in propaganda, visible e.g. in the mass of coins showing his face, being sent all over the empire. He understood very well, that different cultures used different symbols - and he used them for his propaganda.
Politically the Roman army was an important factor. Propaganda in that case was used for the soldiers on the one hand, but on the other hand also for demonstrating the power of the army to the people, so they could trust in its strength. Even then security was an essential factor of politics. As long as the army functioned, the Roman Empire did as well (
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The Enigma Encryption Machine was famous for its insecurities as for the security that it gave to German ciphers. It was broken, first by the Poles in the 1930s, then by the British in World War II.
Blowfish is a symmetric key block cipher that can vary its length.
The idea behind is a simple design to make the system faster than others.